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#include <fstream>
using namespace std;
ifstream fin("permutari.in");
ofstream fout("permutari.out");
int n,v[9];
void afisare()
{
int i;
for(i=1;i<=n;i++)
fout<<v[i]<<" ";
fout<<"\n";
}
int valid(int x)
{int i;
for(i=1;i<=x-1;i++)
if(v[i]==v[x])return 0;
return 1;
}
void bkt(int x)
{
int i;
if(x==n+1)afisare();
else
{
for(i=1;i<=n;i++)
{
v[x]=i;
if(valid(x)==1)bkt(x+1);
}
}
}
int main()
{
fin>>n;
bkt(1);
return 0;
}